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    <title>Document</title>
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<script>
    var arr = [18,22,27]
    var arr2 = arr.reduce(function(accumulate,current){
        console.log('accumulate',accumulate,'current',current);
        if(current > 18){
            accumulate.push({
                age:current
            })
        }
        return accumulate
    },[])
    console.log(arr2);
</script>